<template>
<!-- 布局容器 -->
    <el-container>
        <!-- 头部区域 -->
   <el-header>
      <div>
           <img src="../assets/heima.png" alt="">
           <span>电商后台管理系统</span>
      </div>
       <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <!-- 页面主体区域 -->
   <el-container>
       <!-- 侧边栏区域 -->
    <el-aside :width="isCollapse?'64px':'200px'">
    <div class="toggle-button" @click="toggleCallpse">|||</div>
     <!-- 侧边栏菜单 -->
    <el-menu
      background-color="#333744"
      text-color="#fff"
      active-text-color="#409EFF"
      unique-opened
      :collapse="isCollapse"
      :collapse-transition="false"
      router
      :default-active="activePath"
      >
      <!-- 一级菜单 -->
      <el-submenu :index="item.id+''" v-for="item in menuList" :key="item.id" > 
        <template slot="title">
            <!-- 图标 -->
          <i :class="iconsObj[item.id]"></i>
          <!--文本 -->
          <span class="one">{{item.authName}}</span>
        </template>
        <!-- 二级菜单 -->
        <!-- @click="saveNavState('/'+subitem.path)" -->
        <el-menu-item :index="'/'+subitem.path" v-for="subitem in item.children" :key="subitem.id">
            <!-- 图标 -->
            <i class="el-icon-menu"></i>
            <!--文本 -->
            <span>{{subitem.authName}}</span>
        </el-menu-item>
      </el-submenu>
    </el-menu>
    </el-aside>
    <!-- 主体区域 -->
    <el-main>
        <router-view></router-view>
    </el-main>
  </el-container>
</el-container>
</template>
<script>
export default {
    created(){
        this.getMenuList();
        // this.activePath=window.sessionStorage.getItem("activePath")
        // this.activePath=this.$route
        // console.log(this.$route);
        // this.activePath=this.$route.path
        
    },
    updated(){
       this.activePath=this.$route.path 
    },
    data(){
        return{
            menuList:[],
            iconsObj:{
                '125':'iconfont icon-user',
                '103':'iconfont icon-tijikongjian',
                '101':'iconfont icon-shangpin',
                '102':'iconfont icon-danju',
                '145':'iconfont icon-baobiao'
            },
            isCollapse:false,
            activePath:''
        }
    },
    methods:{
        logout(){
            //清空token
            window.sessionStorage.clear()
            // 跳转到登录页
            this.$router.push('./login')
        },
        async getMenuList(){
            const {data:res}=await this.$http.get('menus')
            // console.log(res);
          if(res.meta.status!==200) return this.$message.error(res.meta.msg)
          this.menuList=res.data;  
        },
        toggleCallpse(){
            this.isCollapse=!this.isCollapse
        },
        // saveNavState(path){
        //     window.sessionStorage.setItem("activePath",path)
        //     this.activePath=path
        // }
    }
}
</script>
<style lang="less" scoped>
.el-container{
    height:100%;
}
.el-header{
    background-color: #373D41;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left:0;
    color: #fff;
    >div{
        display: flex;
        align-items: center;
        span{
            margin-left:15px;
        }
    }
}
.el-aside{
    background-color: #333744;
}
.el-menu{
    border:none;
}
.el-main{
    background-color: #eaedf1;
}
.iconfont{
    margin-right: 10px;
}
.toggle-button{
    background-color: #4a5064;
    font-size:10px;
    line-height: 24px;
    text-align: center;
    letter-spacing: 0.2em;
    color:#fff;
    cursor:pointer;
}
</style>

